I communed with mine own heart, saying , Lo, I am come to great estate , and have gotten more wisdom than all they that have been before me in Jerusalem: yea, my heart had great experience of wisdom and knowledge.
And I gave my heart to know wisdom, and to know madness and folly: I perceived that this also is vexation of spirit.
I sought in mine heart to give myself unto wine, yet acquainting mine heart with wisdom; and to lay hold on folly, till I might see what was that good for the sons of men, which they should do under the heaven all the days of their life.
For what hath man of all his labour, and of the vexation of his heart, wherein he hath laboured under the sun?
For all his days are sorrows, and his travail grief; yea, his heart taketh not rest in the night. This is also vanity.
I said in mine heart, God shall judge the righteous and the wicked: for there is a time there for every purpose and for every work.
I said in mine heart concerning the estate of the sons of men, that God might manifest them, and that they might see that they themselves are beasts.
I applied mine heart to know , and to search , and to seek out wisdom, and the reason of things, and to know the wickedness of folly, even of foolishness and madness:
And I find more bitter than death the woman, whose heart is snares and nets, and her hands as bands: whoso pleaseth God shall escape from her; but the sinner shall be taken by her.
For all this I considered in my heart even to declare all this, that the righteous, and the wise, and their works, are in the hand of God: no man knoweth either love or hatred by all that is before them.
This is an evil among all things that are done under the sun, that there is one event unto all: yea, also the heart of the sons of men is full of evil, and madness is in their heart while they live, and after that they go to the dead .
Rejoice , O young man, in thy youth; and let thy heart cheer thee in the days of thy youth, and walk in the ways of thine heart, and in the sight of thine eyes: but know thou, that for all these things God will bring thee into judgment.
Therefore remove sorrow from thy heart, and put away evil from thy flesh: for childhood and youth are vanity.